code: def feature_test(self, img):
      x = self.extract_feat(img)
      outs = self.bbox_head(x)
      return outs
  
file_path: insightface/detection/scrfd/mmdet/models/detectors/scrfd.py
imports: from mmdet.core import bbox2result
  from ..builder import DETECTORS
  from .single_stage import SingleStageDetector
  import torch
label_desc: Use image node_id 4 for calling the SCRFD obj's underlying member method code with example usage: obj.feature_test(img) and returns: outs